package com.cms.recursoshumanos.component.base;

import net.rim.blackberry.api.invoke.Invoke;
import net.rim.blackberry.api.invoke.PhoneArguments;
import net.rim.device.api.system.Bitmap;
import net.rim.device.api.system.Characters;
import net.rim.device.api.system.Display;
import net.rim.device.api.ui.DrawStyle;
import net.rim.device.api.ui.Field;
import net.rim.device.api.ui.Font;
import net.rim.device.api.ui.Graphics;
import net.rim.device.api.ui.TouchEvent;
import net.rim.device.api.ui.Touchscreen;
import net.rim.device.api.ui.Ui;
import net.rim.device.api.ui.component.LabelField;

public class CustomListElement extends ListStyleButtonField 
{

  private static final int WIDTH = Display.getWidth();
  public static int DRAWPOSITION_TOP = 0;
  public static int DRAWPOSITION_BOTTOM = 1;
  public static int DRAWPOSITION_MIDDLE = 2;
  public static int DRAWPOSITION_SINGLE = 3;
  public static int SEPARATOR_LONG = 20;
  public static int DO_ACTION = 999;
  public static int NO_ACTION = -999;
  
  protected static final int CORNER_RADIUS = 18;
  
  private static final int HPADDING = (WIDTH <= 320) ? 6 : 8;
  private static final int VPADDING = 2;
  
  private static final int COLOR_BACKGROUND = 0xFFFFFF;
  protected static final int COLOR_BORDER = 0xBBBBBB;
  protected static int COLOR_BACKGROUND_FOCUS = 0xE4E4E4;
  protected static int COLOR_BACKGROUND_FOCUS_ACTION = 0x186DEF;
  
  private LabelListMenuItem _labelField;
  private LabelListMenuItem _contentField;
  private Bitmap _leftIcon;
  private Bitmap _actionIcon;
  
  private int _targetHeight;
  private int _rightOffset;
  private int _leftOffset;
  private int _labelHeight;
  private int _labelWidth;
  private int _contentHeight;
  private int _contentWidth;
  protected int _preferedWidth;
  protected boolean _doAction = false;
  
  protected int _drawPosition = -1;

  public CustomListElement( String label, String content, long style ) {
      this( label, content, null, style );
  }
    
  public CustomListElement( String label, String content, int width ) {
      this( null, label, content, null, 0, width );
  }
  
  public CustomListElement( String label, String content, int type, int width ) {
      this( null, label, content, null, 0, width );
      if(type == DO_ACTION) 
    	  _doAction = true;
  }
  
  public CustomListElement( String label, String content, int type, int width, Bitmap actionIcon ) {
      this( null, label, content, actionIcon, 0, width );
      if(type == DO_ACTION) 
    	  _doAction = true;
  }
  
  public CustomListElement( String label, String content, Bitmap actionIcon ) {
      this( label, content, actionIcon, 0 );
  }
  
  public CustomListElement( String label, String content, Bitmap actionIcon, long style ) {
      this( null, label, content, actionIcon, style, 0 );
  }
  
  public CustomListElement( Bitmap icon, String label, String content, long style ) {
      this( icon, label, content, null, style, 0 );
  }
  
  public void setType(int type) {
	  if(type == DO_ACTION) 
    	  _doAction = true;
	  else
		  _doAction = false;
  }
  
  public CustomListElement( Bitmap icon, String label, String content, Bitmap actionIcon, long style, int width ) {
	  super( Field.FOCUSABLE );
	  Font defaultFont = getFont();
      Font font = defaultFont.derive(Font.PLAIN, 6, Ui.UNITS_pt);       
      _labelField = new LabelListMenuItem( label, style );
      _contentField = new LabelListMenuItem( content, style );
      _labelField.setFont(font);
      _contentField.setFont(font);
      
      _actionIcon = actionIcon;
      _leftIcon = icon;
      _preferedWidth = width;
  }
  
  public CustomListElement(long l) {
	  super(l);
  }
  
  public String getContent() {
	  return this._contentField.getText();
  }

  public void setDrawPosition( int drawPosition ) {
      _drawPosition = drawPosition;
  }
  
  public String toString() {
      return _labelField.toString();
  }
  
  public void layout( int width, int height ) {

      _targetHeight = getFont().getHeight() / 2 * 3 + 2 * VPADDING;
//#ifndef VER_4.6.1 | VER_4.6.0 | VER_4.5.0 | VER_4.2.1 | VER_4.2.0
      if( Touchscreen.isSupported() ) {
          _targetHeight = getFont().getHeight() * 2 + 2 * VPADDING;
      }
//#endif
  	
      _leftOffset = HPADDING;
      if( _leftIcon != null ) {
          _leftOffset += _leftIcon.getWidth() + HPADDING;
      }
      
      _rightOffset = HPADDING;
      if( _actionIcon != null ) {
          _rightOffset += _actionIcon.getWidth() + HPADDING;
      }
      
      _contentWidth = getFont().getAdvance(_contentField.getText());
      
      _labelWidth = _preferedWidth;
      
      _labelField.layout( _labelWidth, height );
      _labelHeight = _labelField.getHeight();
      int contWidth = width - _leftOffset - _rightOffset - _labelWidth - SEPARATOR_LONG;
      int height2 = height;
      int tamContent = getFont().getHeight();
      
      if(contWidth < _contentWidth) {
    	  height2 = (_contentWidth%contWidth)*(tamContent+2);
      }
      _contentField.layout( contWidth, height2 );
      _contentHeight = _contentField.getHeight();
      
      if( _labelField.isStyle( DrawStyle.HCENTER ) ) {
          _leftOffset = ( width - _labelWidth - _contentWidth ) / 2;
      } else if ( _labelField.isStyle( DrawStyle.RIGHT ) ) {
          _leftOffset = width - _labelWidth - _contentWidth - HPADDING - _rightOffset;
      }
      
      int extraVPaddingNeeded = 0;
      if( Math.max(_labelHeight, _contentHeight) < _targetHeight ) {
          // Make sure that they are at least 1.5 times font height
          extraVPaddingNeeded =  ( _targetHeight - Math.max(_labelHeight, _contentHeight)  ) / 2;
      }
      
      setExtent( width, Math.max(_labelHeight, _contentHeight) + 2 * extraVPaddingNeeded );
  }
  
  public void updateContent( String text ) {
	  _contentField.setText(text);
	  updateLayout();
  }
  
  protected void paint( Graphics g ) {
      // Left Bitmap
      if( _leftIcon != null ) {
          g.drawBitmap( HPADDING, VPADDING, _leftIcon.getWidth(), _leftIcon.getHeight(), _leftIcon, 0, 0 );
      }
      
      // Text
      try {
          g.pushRegion( _leftOffset, ( getHeight() - _labelHeight ) / 2, _labelWidth, _labelHeight, 0, 0 );
          _labelField.paint( g );
      } finally {
          g.popContext();
      }
      try {
          g.pushRegion( _leftOffset+_labelWidth+SEPARATOR_LONG, ( getHeight() - _contentHeight ) / 2, getWidth() - _leftOffset - _rightOffset - _labelWidth, _contentHeight, 0, 0 );
          _contentField.paint( g );
      } finally {
          g.popContext();
      }
      
      // Right (Action) Bitmap
      if( _actionIcon != null ) {
          g.drawBitmap( getWidth() - HPADDING - _actionIcon.getWidth(), ( getHeight() - _actionIcon.getHeight() ) / 2, _actionIcon.getWidth(), _actionIcon.getHeight(), _actionIcon, 0, 0 );
      }
  }
  
  protected void paintBackground( Graphics g ) {
      if( _drawPosition < 0 ) {
          // it's like a list field, let the default background be drawn
          super.paintBackground( g );
          return;
      }
      
      int oldColour = g.getColor();
      int focus = COLOR_BACKGROUND_FOCUS;
      if(_doAction) 
    	  focus = COLOR_BACKGROUND_FOCUS_ACTION;
      
      int background = g.isDrawingStyleSet( Graphics.DRAWSTYLE_FOCUS ) ? focus : COLOR_BACKGROUND;
      
      try {
    	  
          if( _drawPosition == 0 ) {
              // Top
              g.setColor( background );
              g.fillRoundRect( 0, 0, getWidth(), getHeight() + CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
              g.setColor( COLOR_BORDER );
              g.drawRoundRect( 0, 0, getWidth(), getHeight() + CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
              g.drawLine( 0, getHeight() - 1, getWidth(), getHeight() - 1 );
          } else if( _drawPosition == 1 ) {
              // Bottom 
              g.setColor( background );
              g.fillRoundRect( 0, -CORNER_RADIUS, getWidth(), getHeight() + CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
              g.setColor( COLOR_BORDER );
              g.drawRoundRect( 0, -CORNER_RADIUS, getWidth(), getHeight() + CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
          } else if( _drawPosition == 2 ) {
              // Middle
              g.setColor( background );
              g.fillRoundRect( 0, -CORNER_RADIUS, getWidth(), getHeight() + 2 * CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
              g.setColor( COLOR_BORDER );
              g.drawRoundRect( 0, -CORNER_RADIUS, getWidth(), getHeight() + 2 * CORNER_RADIUS, CORNER_RADIUS, CORNER_RADIUS );
              g.drawLine( 0, getHeight() - 1, getWidth(), getHeight() - 1 );
          } else {
              // Single
              g.setColor( background );
              g.fillRoundRect( 0, 0, getWidth(), getHeight(), CORNER_RADIUS, CORNER_RADIUS );
              g.setColor( COLOR_BORDER );
              g.drawRoundRect( 0, 0, getWidth(), getHeight(), CORNER_RADIUS, CORNER_RADIUS );
          }
          g.drawLine(_preferedWidth+SEPARATOR_LONG, 0, _preferedWidth+SEPARATOR_LONG, getHeight());
      } finally {
          g.setColor( oldColour );
      }
  }
  
  protected void drawFocus( Graphics g, boolean on ) {
      if( _drawPosition < 0 ) {
          super.drawFocus( g, on );
      } else {
          boolean oldDrawStyleFocus = g.isDrawingStyleSet( Graphics.DRAWSTYLE_FOCUS );
          try {
              if( on ) {
            	  g.setDrawingStyle( Graphics.DRAWSTYLE_FOCUS, true );
              }
              paintBackground( g );
              paint( g );
          } finally {
              g.setDrawingStyle( Graphics.DRAWSTYLE_FOCUS, oldDrawStyleFocus );
          }
      }
  }
  protected boolean keyChar( char character, int status, int time ) {
      if( character == Characters.ENTER ) {
          clickButton();
          return true;
      }
      return super.keyChar( character, status, time );
  }
  
  protected boolean navigationClick( int status, int time ) {
      clickButton(); 
      return true;    
  }
  
  protected boolean trackwheelClick( int status, int time ) {        
      clickButton();    
      return true;
  }
  
  //#ifndef VER_4.1.0 | 4.0.0
  protected boolean invokeAction( int action ) {
	  switch( action ) {
	      case ACTION_INVOKE: {
	          clickButton(); 
	          return true;
	      }
	  }
	  return super.invokeAction( action );
  }
  //#endif        
       
  /**
   * A public way to click this button
   */
  public void clickButton() {
      fieldChangeNotify( 0 );
  }
     
//#ifndef VER_4.6.1 | VER_4.6.0 | VER_4.5.0 | VER_4.2.1 | VER_4.2.0
  protected boolean touchEvent( TouchEvent message ) {
      int x = message.getX( 1 );
      int y = message.getY( 1 );
      if( x < 0 || y < 0 || x > getExtent().width || y > getExtent().height ) {
          // Outside the field
          return false;
      }
      switch( message.getEvent() ) {
          case TouchEvent.UNCLICK:
              clickButton();
              return true;
      }
      return super.touchEvent( message );
  }
//#endif 

  public void setDirty( boolean dirty ) {}
  public void setMuddy( boolean muddy ) {}
  
  
 
}